Birds Flashcards

1
Q

Birds are ______ with feathers and capable of flight

A

endothermic vertebrates

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2
Q

They are descendant of what dinosaur

A

bipedal dinosaur

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3
Q

What increases the are for attachment of the flight muscles in birds

A

keeled sternum or posses carina

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4
Q

A single occipital condyl which are modified by partial or complete loss of one of the temporal arches

A

diapsid skull

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5
Q

How many genera and species of Philippine birds are endemic

A

9 genera, 172 species

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6
Q

Who categorizes threatened species categories as defined in any six criteria.

A

Internatiinal Union for the Conservation of Nature

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7
Q

A taxon (V) Vulnerable when___, (E) Endangered ____, Crtically Endangered (C)_____

A

V- high risk of extinction
E- very high risk of extinction
C- extremely high risk of extinction

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8
Q

How many threatened endemic species of birds is listed in the Philippines Red Data book published by Wildlife Conservation Society of the Philippines

A

75 threatened endemic species

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9
Q

What are the modification of forelimbs of birds

A

wings bearing feathers

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10
Q

Hindlimb is divided into

A

thigh, shank, or legs and foot that consists tarsus

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11
Q

How many maximum toes does birds have

A

4

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12
Q

Parts of the bill of the bird

A

-culmen, central ridge
-maxillary, cutting edge
-cere, soft fleshy basal

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13
Q

Nostrils of bird

A

Nostrils may be slitlike or oval

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14
Q

What is it called when the nostrils are separated by septum and are not

A

-imperforate (separated)
-perforate (not separated)

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15
Q

What covers two nostrils at least in part by fleshy or

A

horny operculum

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16
Q

The ____ or branches of the lower mandible are fused forming a ridge called ____

A

rami, gonys

17
Q

In most birds feet are

A

featherless

18
Q

Definite tracts

19
Q

Bare patches

20
Q

The study of feathers and their arrangement is called

A

pterylosis

21
Q

Most birds have ____ but some have but some have more or less this number

A

12 rectrices

22
Q

Bright, red pigment

A

carotenoids

23
Q

Orange, yellow color

24
Q

Dark reddish brown

25
Brownish red
Rufous
26
Dark brownish yellow
Ochraceous
27
Yellowish brown
Tan
28
Medium dark Tan
buff
29
Effect of father's physical structure
Irridescence
30
What do you call the process of replacing old feathers
molting
31
The description of the birds makes reference to body regions, feather groups and associated structures or what is referred to as
Topography